Oliveira, Bruno Ramos, et al. “Brachyspira Hyodysenteriae and Brachyspira Pilosicoli Research in Pigs With Diarrhea in Espírito Santo, Brazil”. Brazilian Journal of Veterinary Medicine, vol. 38, no. 3, Sept. 2016, pp. 287-91, https://bjvm.org.br/BJVM/article/view/110.